1 /*-
2 * SPDX-License-Identifier: BSD-2-Clause-NetBSD
3 *
4 * Copyright (c) 1996 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * This code is derived from software contributed to The NetBSD Foundation
8 * by Jason R. Thorpe.
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in the
17 * documentation and/or other materials provided with the distribution.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29 * POSSIBILITY OF SUCH DAMAGE.
30 *
31 * from: NetBSD: main.c,v 1.15 2001/02/19 23:22:42 cgd Exp
32 */
33
34 #include <sys/cdefs.h>
35 __FBSDID("$FreeBSD$");
36
37 #include <err.h>
38 #include <stdio.h>
39 #include <stdlib.h>
40 #include <string.h>
41 #include <sysexits.h>
42 #include <unistd.h>
43
44 #include "ofw_options.h"
45
46 static int action(char *);
47 static void dump_config(void);
48 static void usage(void);
49
50 static void
usage(void)51 usage(void)
52 {
53
54 fprintf(stderr,
55 "usage: eeprom -a\n"
56 " eeprom [-] name[=value] ...\n");
57 exit(EX_USAGE);
58 }
59
60 int
main(int argc,char * argv[])61 main(int argc, char *argv[])
62 {
63 int do_stdin, opt;
64 int aflag, rv;
65 char *cp;
66 char line[BUFSIZ];
67
68 aflag = do_stdin = 0;
69 rv = EX_OK;
70 while ((opt = getopt(argc, argv, "-a")) != -1) {
71 switch (opt) {
72 case '-':
73 if (aflag)
74 usage();
75 do_stdin = 1;
76 break;
77 case 'a':
78 if (do_stdin)
79 usage();
80 aflag = 1;
81 break;
82 case '?':
83 default:
84 usage();
85 /* NOTREACHED */
86 }
87 }
88 argc -= optind;
89 argv += optind;
90
91 if (aflag) {
92 if (argc != 0)
93 usage();
94 dump_config();
95 } else {
96 if (do_stdin) {
97 while (fgets(line, BUFSIZ, stdin) != NULL &&
98 rv == EX_OK) {
99 if (line[0] == '\n')
100 continue;
101 if ((cp = strrchr(line, '\n')) != NULL)
102 *cp = '\0';
103 rv = action(line);
104 }
105 if (ferror(stdin))
106 err(EX_NOINPUT, "stdin");
107 } else {
108 if (argc == 0)
109 usage();
110 while (argc && rv == EX_OK) {
111 rv = action(*argv);
112 ++argv;
113 --argc;
114 }
115 }
116 }
117 return (rv);
118 }
119
120 static int
action(char * line)121 action(char *line)
122 {
123 int rv;
124 char *keyword, *arg;
125
126 keyword = strdup(line);
127 if (keyword == NULL)
128 err(EX_OSERR, "malloc() failed");
129 if ((arg = strrchr(keyword, '=')) != NULL)
130 *arg++ = '\0';
131 switch (rv = ofwo_action(keyword, arg)) {
132 case EX_UNAVAILABLE:
133 warnx("nothing available for '%s'.", keyword);
134 break;
135 case EX_DATAERR:
136 warnx("invalid value '%s' for '%s'.", arg, keyword);
137 break;
138 }
139 free(keyword);
140 return(rv);
141 }
142
143 static void
dump_config(void)144 dump_config(void)
145 {
146
147 ofwo_dump();
148 }
149